What is the Least Common Multiple of 57543 and 57555?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 57543 and 57555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57543 and 57555, than apply into the LCM equation.

GCF(57543,57555) = 3
LCM(57543,57555) = ( 57543 × 57555) / 3
LCM(57543,57555) = 3311887365 / 3
LCM(57543,57555) = 1103962455

Least Common Multiple (LCM) of 57543 and 57555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57543 and 57555. First we will calculate the prime factors of 57543 and 57555.

Prime Factorization of 57543

Prime Factorization of 57555

Now multiplying the highest exponent prime factors to calculate the LCM of 57543 and 57555.

LCM(57543,57555) = 3² × 19181¹ × 5¹ × 1279¹
LCM(57543,57555) = 1103962455